ul.fixing-bnb li {
    list-style: none;
    border-bottom: 1px solid;
    position: relative;
}
ul.fixing-bnb li b {
  float: right;
}
ul.fixing-bnb li span {
    background: #000000a8;
    top: -5px;
    position: absolute;
    left: 0;
    right: 0;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
    color: #fff;
    display: table;
    padding: 0 4px;
    border-radius: 3px;
    opacity: 0;
}
ul.fixing-bnb li span::after {
    content: '';
    position: absolute;
    left: calc(50% - 4px);
    bottom: -8px;
    width: 0px;
    height: 0px;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-top: 8px solid #000000a8;
}
ul.fixing-bnb li img {
    margin-bottom: -8px;
    width: 28px;
}